Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    31-05-2024 10:16

General

  • Target

    2024-05-31_f8d5d84914ea87463cb8efbf49a74f55_icedid.exe

  • Size

    3.0MB

  • MD5

    f8d5d84914ea87463cb8efbf49a74f55

  • SHA1

    9613d02bc94648af72b9b69be6250479164a48a2

  • SHA256

    a01e216ae8c659d32c22d165009d85c0daee2a9895983736369f8f0aef2f358b

  • SHA512

    b43efbf1d722d51ff1cc78086b3a91817ab2d2c0adcb8f37b01aabc679c8310207c890b7e36fd58096de7465cc3ef44fe0140495c129f6ada946bdc50fb27662

  • SSDEEP

    49152:6QZAdVyVT9n/Gg0P+WhoCsTKyoZ/Pjb6Kt0rbJEuSLz5xXA:jGdVyVT9nOgmh/sTKlZ6K+mLzA

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • UPX dump on OEP (original entry point) 9 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 10 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-31_f8d5d84914ea87463cb8efbf49a74f55_icedid.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-31_f8d5d84914ea87463cb8efbf49a74f55_icedid.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\\svchost.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2356
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\svchost.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2684
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2500
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2848
    • C:\Users\Admin\AppData\Local\Temp\HD_2024-05-31_f8d5d84914ea87463cb8efbf49a74f55_icedid.exe
      C:\Users\Admin\AppData\Local\Temp\HD_2024-05-31_f8d5d84914ea87463cb8efbf49a74f55_icedid.exe
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      PID:2444
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.exe -acsi
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:2556

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\HD_X.dat
    Filesize

    1.7MB

    MD5

    52250986e17600054933532922dd92f4

    SHA1

    919f0ba79e00f62903bad25420898b104121119d

    SHA256

    56100ecfdacc8d3354cfe80c3e68db4eabf9e582189ac6a3c7a8fffaf245188f

    SHA512

    eb85b98c3f20c1a225acaa7265ba6148146a23da0b73b3e5a0aeb5057a13f24187e3c48f38743cf8c9a294aff48e79318c982e3539189970f2adaac334a4193d

  • \Users\Admin\AppData\Local\Temp\HD_2024-05-31_f8d5d84914ea87463cb8efbf49a74f55_icedid.exe
    Filesize

    1.3MB

    MD5

    0180d6e451c4b289bcc4d8be163bd9ad

    SHA1

    3f288c137b7d142db11180d2822fe680fdfe85fd

    SHA256

    1a9b3c81a7598f942e9c030bd452bac5a97c7ca528e5f575442a55cf836f02ef

    SHA512

    8fa31cc994b598e2f555341a3b8942d99fee92c9b10f955f9ff13c1a4ab8adec126a9d5fd8103d703171d532725a72ca91cc788dd22d3e77d6e7ab7e54e2ab4c

  • \Users\Admin\AppData\Local\Temp\svchos.exe
    Filesize

    93KB

    MD5

    3b377ad877a942ec9f60ea285f7119a2

    SHA1

    60b23987b20d913982f723ab375eef50fafa6c70

    SHA256

    62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

    SHA512

    af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

  • \Users\Admin\AppData\Local\Temp\svchost.exe
    Filesize

    377KB

    MD5

    a4329177954d4104005bce3020e5ef59

    SHA1

    23c29e295e2dbb8454012d619ca3f81e4c16e85a

    SHA256

    6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

    SHA512

    81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

  • \Windows\SysWOW64\259428399.txt
    Filesize

    50KB

    MD5

    d5ed805ec9785b09427c964ead351946

    SHA1

    62ef8af56e2db4a855202222033e72dc6ceea0a5

    SHA256

    794b79c3c0b6a59b0247657619df620f5605e9c5a4d4b5c825392438cba05cf9

    SHA512

    09a3fe7a8bddc868e57d45e127a6fbc0693322a8f0d78a44a92a113c525439247664d25be5b9018f73cf89b01760b82cf21c859a194c8401d97af3a0fb99ef69

  • memory/2356-9-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2356-8-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2356-5-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2356-7-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2556-32-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2556-41-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2556-46-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2572-18-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2572-36-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB